3x+1+5x-5=90

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Solution for 3x+1+5x-5=90 equation:


Simplifying
3x + 1 + 5x + -5 = 90

Reorder the terms:
1 + -5 + 3x + 5x = 90

Combine like terms: 1 + -5 = -4
-4 + 3x + 5x = 90

Combine like terms: 3x + 5x = 8x
-4 + 8x = 90

Solving
-4 + 8x = 90

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4' to each side of the equation.
-4 + 4 + 8x = 90 + 4

Combine like terms: -4 + 4 = 0
0 + 8x = 90 + 4
8x = 90 + 4

Combine like terms: 90 + 4 = 94
8x = 94

Divide each side by '8'.
x = 11.75

Simplifying
x = 11.75

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